Files
deepseek-harness/packages/support/acp-snapshot/tests/normalize.spec.ts
2026-07-11 22:24:20 +08:00

309 lines
14 KiB
TypeScript

import { describe, expect, it } from 'vitest'
import {
type NormalizeContext,
normalizeSessionLog,
normalizeStdout,
scrubRequestHeaders,
scrubSystemPrompts,
} from '../src/normalize.ts'
/**
* Unit tests for the pure snapshot normalizers. Live as a *.spec.ts (runs in
* the default unit gate) and import the normalizers directly.
*/
const ctx: NormalizeContext = {
sessionIds: ['11111111-2222-3333-4444-555555555555'],
cwd: '/tmp/acp-snap-cwd-abc123',
}
describe('normalizeStdout', () => {
it('rewrites JSON-RPC ids to a stable first-seen sequence', () => {
const raw = [
JSON.stringify({ jsonrpc: '2.0', id: 42, method: 'initialize' }),
JSON.stringify({ jsonrpc: '2.0', id: 42, result: {} }),
JSON.stringify({ jsonrpc: '2.0', id: 99, method: 'session/new' }),
].join('\n')
const out = normalizeStdout(raw, ctx)
expect(out).toContain('"id":1')
expect(out).toContain('"id":2')
expect(out).not.toContain('42')
expect(out).not.toContain('99')
})
it('scrubs the cwd and session id anywhere they appear', () => {
const raw = JSON.stringify({
jsonrpc: '2.0', method: 'session/update',
params: { sessionId: ctx.sessionIds[0], cwd: ctx.cwd, note: `at ${ctx.cwd}/x` },
})
const out = normalizeStdout(raw, ctx)
expect(out).toContain('{{sessionId}}')
expect(out).toContain('{{cwd}}')
expect(out).not.toContain(ctx.cwd)
expect(out).not.toContain(ctx.sessionIds[0] as string)
})
it('scrubs a stray UUID not in the known list', () => {
const raw = JSON.stringify({ jsonrpc: '2.0', method: 'x', params: { id: 'aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee' } })
expect(normalizeStdout(raw, ctx)).toContain('{{sessionId}}')
})
it('leaves notification frames without an id untouched in id-space', () => {
const raw = JSON.stringify({ jsonrpc: '2.0', method: 'session/update', params: {} })
const out = normalizeStdout(raw, ctx)
expect(out).not.toContain('"id"')
})
it('throws on a non-JSON stdout line (the purity check)', () => {
const raw = `${JSON.stringify({ jsonrpc: '2.0', id: 1 })}\noops a log leaked\n`
expect(() => normalizeStdout(raw, ctx)).toThrow()
})
it('ignores blank lines', () => {
const raw = `\n${JSON.stringify({ jsonrpc: '2.0', id: 1, method: 'm' })}\n\n`
expect(() => normalizeStdout(raw, ctx)).not.toThrow()
})
})
describe('normalizeSessionLog', () => {
const header = (over: object) => JSON.stringify({ type: 'session', version: 0, id: 's', createdAt: 123, ...over })
const event = (over: object) => JSON.stringify({ type: 'turn/start', seq: 1, time: 999, data: { turn: 1 }, ...over })
it('zeroes the header createdAt', () => {
const out = normalizeSessionLog(`${header({})}\n`, ctx)
expect(out).toContain('"createdAt":0')
expect(out).not.toContain('123')
})
it('zeroes each event time but keeps seq', () => {
const out = normalizeSessionLog(`${header({})}\n${event({ seq: 7, time: 999 })}\n`, ctx)
expect(out).toContain('"time":0')
expect(out).toContain('"seq":7') // seq is deterministic — NOT scrubbed
expect(out).not.toContain('999')
})
it('scrubs cwd and session id deep inside event data', () => {
const ev = JSON.stringify({
type: 'tool/result', seq: 2, time: 5,
data: { content: [{ type: 'text', text: `wrote ${ctx.cwd}/proof.txt` }] },
})
const out = normalizeSessionLog(`${header({ cwd: ctx.cwd })}\n${ev}\n`, ctx)
expect(out).toContain('{{cwd}}')
expect(out).not.toContain(ctx.cwd)
})
it('scrubs the session id in the header', () => {
const out = normalizeSessionLog(`${header({ id: ctx.sessionIds[0] })}\n`, ctx)
expect(out).toContain('{{sessionId}}')
})
it('zeroes a hook/result durationMs (run-to-run noise) but keeps its decision', () => {
const ev = JSON.stringify({
type: 'hook/result', seq: 2, time: 5,
data: { turn: 1, point: 'UserPromptSubmit', handlerId: 'h', decision: 'block', exitCode: 2, durationMs: 37 },
})
const out = normalizeSessionLog(`${header({})}\n${ev}\n`, ctx)
expect(out).toContain('"durationMs":0')
expect(out).not.toContain('37')
expect(out).toContain('"decision":"block"') // the decision is the behavior — kept
})
it('leaves a non-hook event durationMs untouched (only hook/result is scrubbed)', () => {
const ev = JSON.stringify({ type: 'tool/result', seq: 2, time: 5, data: { durationMs: 88 } })
const out = normalizeSessionLog(`${header({})}\n${ev}\n`, ctx)
expect(out).toContain('"durationMs":88')
})
it('tolerates records missing the volatile fields it would zero', () => {
const bareHeader = JSON.stringify({ type: 'session', id: 's' })
const timeless = JSON.stringify({ type: 'note', seq: 1 })
const bareHook = JSON.stringify({ type: 'hook/result', seq: 2, time: 5, data: { decision: 'allow' } })
const nullDataHook = JSON.stringify({ type: 'hook/result', seq: 3, time: 6, data: null })
const out = normalizeSessionLog(`${bareHeader}\n${timeless}\n${bareHook}\n${nullDataHook}\n`, ctx)
expect(out).toContain('"type":"note","seq":1')
expect(out).toContain('"decision":"allow"')
expect(out).not.toContain('durationMs')
})
})
describe('scrubRequestHeaders', () => {
const headerLine = JSON.stringify({ type: 'session', version: 0, id: 's', createdAt: 1, cwd: '/w' })
const headerEvent = (header: object) =>
JSON.stringify({ type: 'request/header', seq: 3, time: 9, data: { header, reason: 'initial' } })
it('replaces header system and tools with tokens, keeping config and reason', () => {
const ev = headerEvent({
config: { model: 'm' },
system: 'You are an agent.\nBe brief.',
tools: [{ name: 'read', description: 'Read a file.', parameters: { type: 'object' } }],
})
const out = scrubRequestHeaders(`${headerLine}\n${ev}\n`)
expect(out).toContain('"system":"{{system}}"')
expect(out).toContain('"tools":"{{tools}}"')
expect(out).toContain('"config":{"model":"m"}')
expect(out).toContain('"reason":"initial"')
expect(out).not.toContain('You are an agent')
expect(out).not.toContain('Read a file')
})
it('keeps an absent system/tools absent (presence is behavior)', () => {
const out = scrubRequestHeaders(`${headerLine}\n${headerEvent({ config: { model: 'm' } })}\n`)
expect(out).not.toContain('{{system}}')
expect(out).not.toContain('{{tools}}')
})
it('scrubs a header carrying only one of system/tools, leaving the other absent', () => {
const systemOnly = scrubRequestHeaders(`${headerLine}\n${headerEvent({ system: 'secret prompt' })}\n`)
expect(systemOnly).toContain('"system":"{{system}}"')
expect(systemOnly).not.toContain('{{tools}}')
const toolsOnly = scrubRequestHeaders(`${headerLine}\n${headerEvent({ tools: [{ name: 't' }] })}\n`)
expect(toolsOnly).toContain('"tools":"{{tools}}"')
expect(toolsOnly).not.toContain('{{system}}')
})
it('scrubs the header session prefix to one token per message, keeping the count', () => {
const ev = headerEvent({
config: { model: 'm' },
messagePrefix: [
{ role: 'user', content: [{ type: 'text', text: 'workspace AGENTS digest' }] },
{ role: 'user', content: [{ type: 'text', text: 'skills catalog' }] },
],
})
const out = scrubRequestHeaders(`${headerLine}\n${ev}\n`)
expect(out).toContain('"messagePrefix":["{{messagePrefix}}","{{messagePrefix}}"]')
expect(out).not.toContain('AGENTS digest')
expect(out).not.toContain('skills catalog')
// Absence stays absent — a prefix-less header gains no token…
expect(scrubRequestHeaders(`${headerLine}\n${headerEvent({ system: 's' })}\n`)).not.toContain('{{messagePrefix}}')
// …and a non-array shape passes through untouched.
const odd = JSON.stringify({ type: 'request/header', seq: 4, time: 9, data: { header: { config: { model: 'm' }, messagePrefix: 'weird' }, reason: 'initial' } })
expect(scrubRequestHeaders(`${headerLine}\n${odd}\n`)).toContain('"messagePrefix":"weird"')
})
it('scrubs a header-delta prefix replacement to one token per message', () => {
const delta = JSON.stringify({
type: 'request/header-delta', seq: 8, time: 9,
data: { messagePrefix: [{ role: 'user', content: [{ type: 'text', text: 'leaked opener' }] }] },
})
const out = scrubRequestHeaders(`${headerLine}\n${delta}\n`)
expect(out).toContain('"messagePrefix":["{{messagePrefix}}"]')
expect(out).not.toContain('leaked opener')
// The empty-array transition-to-absence stays a structural fact.
const toNone = JSON.stringify({ type: 'request/header-delta', seq: 9, time: 9, data: { messagePrefix: [] } })
expect(scrubRequestHeaders(`${headerLine}\n${toNone}\n`)).toContain('"messagePrefix":[]')
})
it('leaves a delta with no scrubbable payload byte-identical (config-only, or non-array shapes)', () => {
const configOnly = JSON.stringify({ type: 'request/header-delta', seq: 8, time: 9, data: { config: { model: 'm2' } } })
const oddShapes = JSON.stringify({ type: 'request/header-delta', seq: 9, time: 9, data: { system: { insert: 'not-an-array' }, tools: null } })
const headerless = JSON.stringify({ type: 'request/header', seq: 10, time: 9, data: { reason: 'initial' } })
const nullData = JSON.stringify({ type: 'request/header', seq: 11, time: 9, data: null })
const raw = `${headerLine}\n${configOnly}\n${oddShapes}\n${headerless}\n${nullData}\n`
expect(scrubRequestHeaders(raw)).toBe(raw)
})
it('scrubs a one-sided tools delta and passes non-object schema entries through', () => {
const addedOnly = JSON.stringify({
type: 'request/header-delta', seq: 8, time: 9,
data: { tools: { added: [null, 'weird', { name: 'x', description: 'D' }] } },
})
const out = scrubRequestHeaders(`${headerLine}\n${addedOnly}\n`)
// Non-object entries survive untouched; the object entry keeps only name.
expect(out).toContain('"added":[null,"weird",{"name":"x","description":"{{tools}}"}]')
const changedOnly = JSON.stringify({
type: 'request/header-delta', seq: 8, time: 9,
data: { tools: { changed: [{ name: 'y', parameters: {} }] } },
})
expect(scrubRequestHeaders(`${headerLine}\n${changedOnly}\n`))
.toContain('"changed":[{"name":"y","parameters":"{{tools}}"}]')
})
it('scrubs a header-delta system payload but keeps its line positions and arity', () => {
const delta = JSON.stringify({
type: 'request/header-delta', seq: 8, time: 9,
data: { system: { keepStart: 1, keepEnd: 4, insert: ['leaked prompt line', 'second line'] }, config: { model: 'm2' } },
})
const out = scrubRequestHeaders(`${headerLine}\n${delta}\n`)
// One token PER inserted line: the edit's position AND extent survive.
expect(out).toContain('"insert":["{{system}}","{{system}}"]')
expect(out).toContain('"keepStart":1')
expect(out).toContain('"keepEnd":4')
expect(out).toContain('"config":{"model":"m2"}')
expect(out).not.toContain('leaked prompt line')
expect(out).not.toContain('{{tools}}') // no tools delta → none invented
})
it('scrubs a header-delta tools payload but keeps the added/removed/changed names', () => {
const delta = JSON.stringify({
type: 'request/header-delta', seq: 8, time: 9,
data: {
tools: {
added: [{ name: 'grep', description: 'Search files.', parameters: { type: 'object' } }],
removed: ['bash_kill'],
changed: [{ name: 'read', description: 'Read v2.', parameters: { type: 'object' } }],
},
},
})
const out = scrubRequestHeaders(`${headerLine}\n${delta}\n`)
// WHICH tools changed is behavior and survives; their bulk does not.
expect(out).toContain('"added":[{"name":"grep","description":"{{tools}}","parameters":"{{tools}}"}]')
expect(out).toContain('"removed":["bash_kill"]')
expect(out).toContain('"changed":[{"name":"read","description":"{{tools}}","parameters":"{{tools}}"}]')
expect(out).not.toContain('Search files')
expect(out).not.toContain('Read v2')
})
it('passes every other line through byte-for-byte and is idempotent', () => {
const other = JSON.stringify({ type: 'assistant/chunk', seq: 4, time: 9, data: { turn: 1, step: 1, chunk: { type: 'text-delta', index: 0, text: 'hi' } } })
const delta = JSON.stringify({
type: 'request/header-delta', seq: 8, time: 9,
data: { system: { keepStart: 0, keepEnd: 0, insert: ['x'] }, tools: { added: [{ name: 't', description: 'd', parameters: {} }], removed: [], changed: [] } },
})
const raw = `${headerLine}\n${headerEvent({ config: { model: 'm' }, system: 's', tools: [] })}\n${delta}\n${other}\n`
const once = scrubRequestHeaders(raw)
expect(once.split('\n')[0]).toBe(headerLine)
expect(once.split('\n')[3]).toBe(other)
expect(scrubRequestHeaders(once)).toBe(once)
})
})
describe('scrubSystemPrompts', () => {
it('scrubs only system prompt payloads while keeping tools and prefixes verbatim', () => {
const header = JSON.stringify({
type: 'request/header', seq: 1, time: 2,
data: {
header: {
system: 'full prompt',
tools: [{ name: 'read', description: 'full schema' }],
messagePrefix: [{ role: 'user', content: [{ type: 'text', text: 'full prefix' }] }],
},
reason: 'initial',
},
})
const delta = JSON.stringify({
type: 'request/header-delta', seq: 2, time: 3,
data: {
system: { keepStart: 1, keepEnd: 2, insert: ['new prompt line'] },
tools: { changed: [{ name: 'read', description: 'changed schema' }] },
messagePrefix: [{ role: 'user', content: [{ type: 'text', text: 'changed prefix' }] }],
},
})
const toolsOnly = JSON.stringify({
type: 'request/header', seq: 3, time: 4,
data: { header: { tools: [{ name: 'read', description: 'schema only' }] }, reason: 'resume' },
})
const out = scrubSystemPrompts(`${header}\n${delta}\n${toolsOnly}\n`)
expect(out).toContain('"system":"{{system}}"')
expect(out).toContain('"insert":["{{system}}"]')
expect(out).not.toContain('full prompt')
expect(out).not.toContain('new prompt line')
expect(out).toContain('full schema')
expect(out).toContain('full prefix')
expect(out).toContain('changed schema')
expect(out).toContain('changed prefix')
expect(out.split('\n')[2]).toBe(toolsOnly)
expect(scrubSystemPrompts(out)).toBe(out)
})
})